diff --git a/lib/radio/mix/sim/tb_mix_cpx.fdo b/lib/radio/mix/sim/tb_mix_cpx.fdo
index 14d9422..78a7729 100644
--- a/lib/radio/mix/sim/tb_mix_cpx.fdo
+++ b/lib/radio/mix/sim/tb_mix_cpx.fdo
@@ -1,8 +1,10 @@
+vmap ieee_proposed ../../../../Common/sim/ieee_proposed
+
 vlib work
-vcom -explicit  -93 "../../../../lib/fixed/fixed_pkg_c.vhd"
+vcom -explicit  -93 "../../../fixed/fixed_util_pkg.vhd"
+vcom -explicit  -93 "../../../misc/utils_pkg.vhd"
 vcom -explicit  -93 "../../../../lib/PCK_FIO-2002.7/PCK_FIO_1993.vhd"
 vcom -explicit  -93 "../../../../lib/PCK_FIO-2002.7/PCK_FIO_1993_BODY.vhd"
-vcom -explicit  -93 "../src/mix_pkg.vhd"
 vcom -explicit  -93 "../src/mix_cpx.vhd"
 vcom -explicit  -93 "../src/tb_mix_cpx.vhd"
 vsim -t 1ps   -lib work tb_mix_cpx
diff --git a/lib/radio/mix/sim/tb_mix_real.fdo b/lib/radio/mix/sim/tb_mix_real.fdo
index cbf7dd0..0dbc45f 100644
--- a/lib/radio/mix/sim/tb_mix_real.fdo
+++ b/lib/radio/mix/sim/tb_mix_real.fdo
@@ -1,8 +1,10 @@
+vmap ieee_proposed ../../../../Common/sim/ieee_proposed
+
 vlib work
-vcom -explicit  -93 "../../../../lib/fixed/fixed_pkg_c.vhd"
+vcom -explicit  -93 "../../../fixed/fixed_util_pkg.vhd"
+vcom -explicit  -93 "../../../misc/utils_pkg.vhd"
 vcom -explicit  -93 "../../../../lib/PCK_FIO-2002.7/PCK_FIO_1993.vhd"
 vcom -explicit  -93 "../../../../lib/PCK_FIO-2002.7/PCK_FIO_1993_BODY.vhd"
-vcom -explicit  -93 "../src/mix_pkg.vhd"
 vcom -explicit  -93 "../src/mix_real.vhd"
 vcom -explicit  -93 "../src/tb_mix_real.vhd"
 vsim -t 1ps   -lib work tb_mix_real
diff --git a/lib/radio/mix/src/mix_cpx.vhd b/lib/radio/mix/src/mix_cpx.vhd
index f77a312..3df161e 100644
--- a/lib/radio/mix/src/mix_cpx.vhd
+++ b/lib/radio/mix/src/mix_cpx.vhd
@@ -21,8 +21,13 @@ library IEEE;
 use IEEE.STD_LOGIC_1164.ALL;
 use IEEE.MATH_REAL.ALL;
 USE ieee.numeric_std.ALL;
-use work.fixed_pkg.all;
-use work.mix_pkg.all;
+
+library ieee_proposed;
+use ieee_proposed.math_utility_pkg.all;
+use ieee_proposed.fixed_pkg.all;
+
+library work;
+use work.fixed_util_pkg.all;
 
 ---- Uncomment the following library declaration if instantiating
 ---- any Xilinx primitives in this code.
@@ -39,8 +44,8 @@ Generic
 	has_in_reg		: boolean := false;
 	has_pipe_reg	: boolean := false;
 	has_out_reg		: boolean := false;
-	rounding		: boolean := true;
-	saturating		: boolean := true
+	rounding		: fixed_round_style_type := fixed_round;
+	saturating		: fixed_overflow_style_type := fixed_saturate
 );
 Port
 (
@@ -141,8 +146,8 @@ begin
 	variable sum_re : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low);
 	variable sum_im : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low);
 	begin
-		sum_re := resize(scalb(p_re_left - p_re_right, nbits_scale_z), re, rounding, saturating);
-		sum_im := resize(scalb(p_im_left + p_im_right, nbits_scale_z), im, rounding, saturating);
+		sum_re := resize(scalb(p_re_left - p_re_right, nbits_scale_z), re, saturating, rounding);
+		sum_im := resize(scalb(p_im_left + p_im_right, nbits_scale_z), im, saturating, rounding);
 		if has_out_reg = true then
 			if rising_edge(clk) then
 				if srst = '1' then
diff --git a/lib/radio/mix/src/mix_real.vhd b/lib/radio/mix/src/mix_real.vhd
index 3dfe3cc..37e96de 100644
--- a/lib/radio/mix/src/mix_real.vhd
+++ b/lib/radio/mix/src/mix_real.vhd
@@ -21,8 +21,13 @@ library IEEE;
 use IEEE.STD_LOGIC_1164.ALL;
 use IEEE.MATH_REAL.ALL;
 USE ieee.numeric_std.ALL;
-use work.fixed_pkg.all;
-use work.mix_pkg.all;
+
+library ieee_proposed;
+use ieee_proposed.math_utility_pkg.all;
+use ieee_proposed.fixed_pkg.all;
+
+library work;
+use work.fixed_util_pkg.all;
 
 ---- Uncomment the following library declaration if instantiating
 ---- any Xilinx primitives in this code.
@@ -39,8 +44,8 @@ Generic
 	has_in_reg		: boolean := false;
 	has_pipe_reg	: boolean := false;
 	has_out_reg		: boolean := false;
-	rounding		: boolean := true;
-	saturating		: boolean := true
+	rounding		: fixed_round_style_type := fixed_round;
+	saturating		: fixed_overflow_style_type := fixed_saturate
 );
 Port
 (
@@ -130,8 +135,8 @@ begin
 	variable sum_re : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low);
 	variable sum_im : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low);
 	begin
-		sum_re := resize(scalb(p_re_left, nbits_scale_z), re, rounding, saturating);
-		sum_im := resize(scalb(p_im_left, nbits_scale_z), im, rounding, saturating);
+		sum_re := resize(scalb(p_re_left, nbits_scale_z), re, saturating, rounding);
+		sum_im := resize(scalb(p_im_left, nbits_scale_z), im, saturating, rounding);
 		if has_out_reg = true then
 			if rising_edge(clk) then
 				if srst = '1' then
diff --git a/lib/radio/mix/src/tb_mix_cpx.vhd b/lib/radio/mix/src/tb_mix_cpx.vhd
index 7882185..5eac130 100644
--- a/lib/radio/mix/src/tb_mix_cpx.vhd
+++ b/lib/radio/mix/src/tb_mix_cpx.vhd
@@ -17,9 +17,12 @@ use IEEE.MATH_REAL.ALL;
 USE ieee.numeric_std.ALL;
 use std.textio.all; --  Imports the standard textio package.
 
+library ieee_proposed;
+use ieee_proposed.math_utility_pkg.all;
+use ieee_proposed.fixed_pkg.all;
+
 library work;
-use work.fixed_pkg.all;
-use work.mix_pkg.all;
+use work.fixed_util_pkg.all;
 use work.PCK_FIO.all;
 
 ENTITY tb_mix_cpx IS
@@ -32,8 +35,8 @@ ENTITY tb_mix_cpx IS
 		has_in_reg		: boolean := true;
 		has_pipe_reg	: boolean := true;
 		has_out_reg		: boolean := true;
-		rounding		: boolean := true;
-		saturating		: boolean := true
+		rounding		: fixed_round_style_type := fixed_round;
+		saturating		: fixed_overflow_style_type := fixed_saturate
 	        );
 END tb_mix_cpx;
 
@@ -51,8 +54,8 @@ ARCHITECTURE behavior OF tb_mix_cpx IS
 		has_in_reg		: boolean;
 		has_pipe_reg	: boolean;
 		has_out_reg		: boolean;
-		rounding		: boolean;
-		saturating		: boolean
+		rounding		: fixed_round_style_type;
+		saturating		: fixed_overflow_style_type
 	);
 	PORT
 	(
diff --git a/lib/radio/mix/src/tb_mix_real.vhd b/lib/radio/mix/src/tb_mix_real.vhd
index a9e458e..8f0ce40 100644
--- a/lib/radio/mix/src/tb_mix_real.vhd
+++ b/lib/radio/mix/src/tb_mix_real.vhd
@@ -17,9 +17,12 @@ use IEEE.MATH_REAL.ALL;
 USE ieee.numeric_std.ALL;
 use std.textio.all; --  Imports the standard textio package.
 
+library ieee_proposed;
+use ieee_proposed.math_utility_pkg.all;
+use ieee_proposed.fixed_pkg.all;
+
 library work;
-use work.fixed_pkg.all;
-use work.mix_pkg.all;
+use work.fixed_util_pkg.all;
 use work.PCK_FIO.all;
 
 ENTITY tb_mix_real IS
@@ -32,8 +35,8 @@ ENTITY tb_mix_real IS
 		has_in_reg		: boolean := true;
 		has_pipe_reg	: boolean := true;
 		has_out_reg		: boolean := true;
-		rounding		: boolean := true;
-		saturating		: boolean := true
+		rounding		: fixed_round_style_type := fixed_round;
+		saturating		: fixed_overflow_style_type := fixed_saturate
 	        );
 END tb_mix_real;
 
@@ -51,8 +54,8 @@ ARCHITECTURE behavior OF tb_mix_real IS
 		has_in_reg		: boolean;
 		has_pipe_reg	: boolean;
 		has_out_reg		: boolean;
-		rounding		: boolean;
-		saturating		: boolean
+		rounding		: fixed_round_style_type;
+		saturating		: fixed_overflow_style_type
 	);
 	PORT
 	(